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逐步增加Ⅱ型截尾下Pareto分布的Bayes估计 被引量:8

Bayesian Estimation for the Pareto Model Based on Progressively Censored Data
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摘要 基于逐步增加的Ⅱ型截尾样本,当Pareto分布的尺度参数已知时,分别在平方损失和LINEX损失下讨论了其形状参数和可靠性指标(失效率和可靠度)的Bayes估计,并用Monte-Carlo方法对估计结果的MSE,进行了模拟比较.结果表明了在LINEX损失下的估计结果更有效. In this article, maximum likelihood and Bayesian estimates for the two param- eters, reliability, and failure rate functions of the pareto distribution are obtained based on progressive Type Ⅱcensored samples. Obtained the Bayesian estimates under the quadratic and LINEX loss function, when the shape parameter knows. Finally, the statistical perfor- mances of the Bayesian estimates relative to quadratic and LINEX loss functions are compared to those the maximum likelihood ones through the (MSE) based on Monte-Carlo simulation study.
作者 李凤 师义民
出处 《数学的实践与认识》 CSCD 北大核心 2012年第13期137-142,共6页 Mathematics in Practice and Theory
基金 全国统计局项目2010LB03 基础数学重点学科自助项目 陕西省军民融合研究基金:11JMR09
关键词 PARETO分布 逐步增加Ⅱ型 BAYES估计 LINEX损失 pareto distribution progressive type Ⅱcensored Bayesian estimation Linex lossfunction
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参考文献8

  • 1侯华蕾,师义民,李豪亮.双边定数截尾下Pareto分布的可靠性分析[J].数理统计与管理,2009,28(5):826-830. 被引量:22
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二级参考文献13

  • 1康会光,师义民.LINEX损失下Pareto分布族参数的经验Bayes估计[J].纯粹数学与应用数学,2001,17(2):169-174. 被引量:14
  • 2柳会珍,顾岚.金融市场极端日收益数据的广义Pareto分布拟合[J].数理统计与管理,2006,25(6):723-728. 被引量:9
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